Home / 172,416.09-237,931.92-96,964.59

Finding the Fourth Proportional to 172,416.09, 237,931.92 and 96,964.59

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Solution

The fourth proportional to 172,416.09, 237,931.92 and 96,964.59 is: 133,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,416.09 : 237,931.92 = 96,964.59 : x
  2. Step 2: Convert to fraction form
    172,416.09/237,931.92 = 96,964.59/x
  3. Step 3: Cross multiply
    172,416.09x = 237,931.92 × 96,964.59
  4. Step 4: Simplify right side
    172,416.09x = 23,070,971,070.71
  5. Step 5: Solve for x
    x = 23,070,971,070.71/172,416.09
  6. Step 6: Final answer
    x = 133,809.85

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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.