Home / 127,068.80-175,342.48-70,479.04

Finding the Fourth Proportional to 127,068.80, 175,342.48 and 70,479.04

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Solution

The fourth proportional to 127,068.80, 175,342.48 and 70,479.04 is: 97,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,068.80 : 175,342.48 = 70,479.04 : x
  2. Step 2: Convert to fraction form
    127,068.80/175,342.48 = 70,479.04/x
  3. Step 3: Cross multiply
    127,068.80x = 175,342.48 × 70,479.04
  4. Step 4: Simplify right side
    127,068.80x = 12,357,969,661.62
  5. Step 5: Solve for x
    x = 12,357,969,661.62/127,068.80
  6. Step 6: Final answer
    x = 97,254.16

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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.