Home / 127,625.04-176,119.56-71,035.20

Finding the Fourth Proportional to 127,625.04, 176,119.56 and 71,035.20

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Solution

The fourth proportional to 127,625.04, 176,119.56 and 71,035.20 is: 98,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,625.04 : 176,119.56 = 71,035.20 : x
  2. Step 2: Convert to fraction form
    127,625.04/176,119.56 = 71,035.20/x
  3. Step 3: Cross multiply
    127,625.04x = 176,119.56 × 71,035.20
  4. Step 4: Simplify right side
    127,625.04x = 12,510,688,168.51
  5. Step 5: Solve for x
    x = 12,510,688,168.51/127,625.04
  6. Step 6: Final answer
    x = 98,026.91

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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.