Home / 518,130.16-777,190.92-144,152.08

Finding the Fourth Proportional to 518,130.16, 777,190.92 and 144,152.08

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Solution

The fourth proportional to 518,130.16, 777,190.92 and 144,152.08 is: 216,226.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,130.16 : 777,190.92 = 144,152.08 : x
  2. Step 2: Convert to fraction form
    518,130.16/777,190.92 = 144,152.08/x
  3. Step 3: Cross multiply
    518,130.16x = 777,190.92 × 144,152.08
  4. Step 4: Simplify right side
    518,130.16x = 112,033,687,675.11
  5. Step 5: Solve for x
    x = 112,033,687,675.11/518,130.16
  6. Step 6: Final answer
    x = 216,226.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.