Home / 124,152.89-171,334.88-70,440.17

Finding the Fourth Proportional to 124,152.89, 171,334.88 and 70,440.17

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Solution

The fourth proportional to 124,152.89, 171,334.88 and 70,440.17 is: 97,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,152.89 : 171,334.88 = 70,440.17 : x
  2. Step 2: Convert to fraction form
    124,152.89/171,334.88 = 70,440.17/x
  3. Step 3: Cross multiply
    124,152.89x = 171,334.88 × 70,440.17
  4. Step 4: Simplify right side
    124,152.89x = 12,068,857,721.93
  5. Step 5: Solve for x
    x = 12,068,857,721.93/124,152.89
  6. Step 6: Final answer
    x = 97,209.64

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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.