Home / 187,079.10-258,169.08-101,038.11

Finding the Fourth Proportional to 187,079.10, 258,169.08 and 101,038.11

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Solution

The fourth proportional to 187,079.10, 258,169.08 and 101,038.11 is: 139,432.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,079.10 : 258,169.08 = 101,038.11 : x
  2. Step 2: Convert to fraction form
    187,079.10/258,169.08 = 101,038.11/x
  3. Step 3: Cross multiply
    187,079.10x = 258,169.08 × 101,038.11
  4. Step 4: Simplify right side
    187,079.10x = 26,084,915,903.64
  5. Step 5: Solve for x
    x = 26,084,915,903.64/187,079.10
  6. Step 6: Final answer
    x = 139,432.55

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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.