Home / 127,805.34-176,381.54-70,454.86

Finding the Fourth Proportional to 127,805.34, 176,381.54 and 70,454.86

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Solution

The fourth proportional to 127,805.34, 176,381.54 and 70,454.86 is: 97,233.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,805.34 : 176,381.54 = 70,454.86 : x
  2. Step 2: Convert to fraction form
    127,805.34/176,381.54 = 70,454.86/x
  3. Step 3: Cross multiply
    127,805.34x = 176,381.54 × 70,454.86
  4. Step 4: Simplify right side
    127,805.34x = 12,426,936,575.49
  5. Step 5: Solve for x
    x = 12,426,936,575.49/127,805.34
  6. Step 6: Final answer
    x = 97,233.32

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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.