Home / 142,542.16-196,547.20-106,617.04

Finding the Fourth Proportional to 142,542.16, 196,547.20 and 106,617.04

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Solution

The fourth proportional to 142,542.16, 196,547.20 and 106,617.04 is: 147,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,542.16 : 196,547.20 = 106,617.04 : x
  2. Step 2: Convert to fraction form
    142,542.16/196,547.20 = 106,617.04/x
  3. Step 3: Cross multiply
    142,542.16x = 196,547.20 × 106,617.04
  4. Step 4: Simplify right side
    142,542.16x = 20,955,280,684.29
  5. Step 5: Solve for x
    x = 20,955,280,684.29/142,542.16
  6. Step 6: Final answer
    x = 147,011.11

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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.