Home / 127,170.48-175,527.18-73,486.74

Finding the Fourth Proportional to 127,170.48, 175,527.18 and 73,486.74

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Solution

The fourth proportional to 127,170.48, 175,527.18 and 73,486.74 is: 101,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,170.48 : 175,527.18 = 73,486.74 : x
  2. Step 2: Convert to fraction form
    127,170.48/175,527.18 = 73,486.74/x
  3. Step 3: Cross multiply
    127,170.48x = 175,527.18 × 73,486.74
  4. Step 4: Simplify right side
    127,170.48x = 12,898,920,239.59
  5. Step 5: Solve for x
    x = 12,898,920,239.59/127,170.48
  6. Step 6: Final answer
    x = 101,430.15

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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.