Home / 127,946.55-176,509.14-74,200.42

Finding the Fourth Proportional to 127,946.55, 176,509.14 and 74,200.42

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Solution

The fourth proportional to 127,946.55, 176,509.14 and 74,200.42 is: 102,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,946.55 : 176,509.14 = 74,200.42 : x
  2. Step 2: Convert to fraction form
    127,946.55/176,509.14 = 74,200.42/x
  3. Step 3: Cross multiply
    127,946.55x = 176,509.14 × 74,200.42
  4. Step 4: Simplify right side
    127,946.55x = 13,097,052,264.22
  5. Step 5: Solve for x
    x = 13,097,052,264.22/127,946.55
  6. Step 6: Final answer
    x = 102,363.46

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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.