Home / 131,232.18-181,106.13-73,875.21

Finding the Fourth Proportional to 131,232.18, 181,106.13 and 73,875.21

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Solution

The fourth proportional to 131,232.18, 181,106.13 and 73,875.21 is: 101,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,232.18 : 181,106.13 = 73,875.21 : x
  2. Step 2: Convert to fraction form
    131,232.18/181,106.13 = 73,875.21/x
  3. Step 3: Cross multiply
    131,232.18x = 181,106.13 × 73,875.21
  4. Step 4: Simplify right side
    131,232.18x = 13,379,253,386.04
  5. Step 5: Solve for x
    x = 13,379,253,386.04/131,232.18
  6. Step 6: Final answer
    x = 101,951.01

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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.