Home / 342,868.20-514,302.30-121,252.20

Finding the Fourth Proportional to 342,868.20, 514,302.30 and 121,252.20

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Solution

The fourth proportional to 342,868.20, 514,302.30 and 121,252.20 is: 181,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,868.20 : 514,302.30 = 121,252.20 : x
  2. Step 2: Convert to fraction form
    342,868.20/514,302.30 = 121,252.20/x
  3. Step 3: Cross multiply
    342,868.20x = 514,302.30 × 121,252.20
  4. Step 4: Simplify right side
    342,868.20x = 62,360,285,340.06
  5. Step 5: Solve for x
    x = 62,360,285,340.06/342,868.20
  6. Step 6: Final answer
    x = 181,878.30

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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.