Home / 101,432.16-152,162.10-42,254.01

Finding the Fourth Proportional to 101,432.16, 152,162.10 and 42,254.01

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Solution

The fourth proportional to 101,432.16, 152,162.10 and 42,254.01 is: 63,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,432.16 : 152,162.10 = 42,254.01 : x
  2. Step 2: Convert to fraction form
    101,432.16/152,162.10 = 42,254.01/x
  3. Step 3: Cross multiply
    101,432.16x = 152,162.10 × 42,254.01
  4. Step 4: Simplify right side
    101,432.16x = 6,429,458,895.02
  5. Step 5: Solve for x
    x = 6,429,458,895.02/101,432.16
  6. Step 6: Final answer
    x = 63,386.79

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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.