Home / 169,639.03-233,904.07-126,543.71

Finding the Fourth Proportional to 169,639.03, 233,904.07 and 126,543.71

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Solution

The fourth proportional to 169,639.03, 233,904.07 and 126,543.71 is: 174,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,639.03 : 233,904.07 = 126,543.71 : x
  2. Step 2: Convert to fraction form
    169,639.03/233,904.07 = 126,543.71/x
  3. Step 3: Cross multiply
    169,639.03x = 233,904.07 × 126,543.71
  4. Step 4: Simplify right side
    169,639.03x = 29,599,088,801.90
  5. Step 5: Solve for x
    x = 29,599,088,801.90/169,639.03
  6. Step 6: Final answer
    x = 174,482.78

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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.