Home / 142,073.16-212,875.50-127,423.92

Finding the Fourth Proportional to 142,073.16, 212,875.50 and 127,423.92

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Solution

The fourth proportional to 142,073.16, 212,875.50 and 127,423.92 is: 190,925.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,073.16 : 212,875.50 = 127,423.92 : x
  2. Step 2: Convert to fraction form
    142,073.16/212,875.50 = 127,423.92/x
  3. Step 3: Cross multiply
    142,073.16x = 212,875.50 × 127,423.92
  4. Step 4: Simplify right side
    142,073.16x = 27,125,430,681.96
  5. Step 5: Solve for x
    x = 27,125,430,681.96/142,073.16
  6. Step 6: Final answer
    x = 190,925.79

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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.