Home / 127,915.74-176,534.28-70,566.30

Finding the Fourth Proportional to 127,915.74, 176,534.28 and 70,566.30

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Solution

The fourth proportional to 127,915.74, 176,534.28 and 70,566.30 is: 97,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,915.74 : 176,534.28 = 70,566.30 : x
  2. Step 2: Convert to fraction form
    127,915.74/176,534.28 = 70,566.30/x
  3. Step 3: Cross multiply
    127,915.74x = 176,534.28 × 70,566.30
  4. Step 4: Simplify right side
    127,915.74x = 12,457,370,962.76
  5. Step 5: Solve for x
    x = 12,457,370,962.76/127,915.74
  6. Step 6: Final answer
    x = 97,387.32

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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.