Home / 121,253.52-167,330.16-70,276.14

Finding the Fourth Proportional to 121,253.52, 167,330.16 and 70,276.14

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Solution

The fourth proportional to 121,253.52, 167,330.16 and 70,276.14 is: 96,981.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,253.52 : 167,330.16 = 70,276.14 : x
  2. Step 2: Convert to fraction form
    121,253.52/167,330.16 = 70,276.14/x
  3. Step 3: Cross multiply
    121,253.52x = 167,330.16 × 70,276.14
  4. Step 4: Simplify right side
    121,253.52x = 11,759,317,750.38
  5. Step 5: Solve for x
    x = 11,759,317,750.38/121,253.52
  6. Step 6: Final answer
    x = 96,981.25

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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.