Home / 127,132.32-175,442.04-70,543.56

Finding the Fourth Proportional to 127,132.32, 175,442.04 and 70,543.56

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Solution

The fourth proportional to 127,132.32, 175,442.04 and 70,543.56 is: 97,349.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,132.32 : 175,442.04 = 70,543.56 : x
  2. Step 2: Convert to fraction form
    127,132.32/175,442.04 = 70,543.56/x
  3. Step 3: Cross multiply
    127,132.32x = 175,442.04 × 70,543.56
  4. Step 4: Simplify right side
    127,132.32x = 12,376,306,075.26
  5. Step 5: Solve for x
    x = 12,376,306,075.26/127,132.32
  6. Step 6: Final answer
    x = 97,349.80

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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.