Home / 158,260.16-218,403.95-86,646.85

Finding the Fourth Proportional to 158,260.16, 218,403.95 and 86,646.85

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Solution

The fourth proportional to 158,260.16, 218,403.95 and 86,646.85 is: 119,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,260.16 : 218,403.95 = 86,646.85 : x
  2. Step 2: Convert to fraction form
    158,260.16/218,403.95 = 86,646.85/x
  3. Step 3: Cross multiply
    158,260.16x = 218,403.95 × 86,646.85
  4. Step 4: Simplify right side
    158,260.16x = 18,924,013,315.81
  5. Step 5: Solve for x
    x = 18,924,013,315.81/158,260.16
  6. Step 6: Final answer
    x = 119,575.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.