Home / 236,657.43-326,600.54-129,237.45

Finding the Fourth Proportional to 236,657.43, 326,600.54 and 129,237.45

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Solution

The fourth proportional to 236,657.43, 326,600.54 and 129,237.45 is: 178,354.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,657.43 : 326,600.54 = 129,237.45 : x
  2. Step 2: Convert to fraction form
    236,657.43/326,600.54 = 129,237.45/x
  3. Step 3: Cross multiply
    236,657.43x = 326,600.54 × 129,237.45
  4. Step 4: Simplify right side
    236,657.43x = 42,209,020,312.04
  5. Step 5: Solve for x
    x = 42,209,020,312.04/236,657.43
  6. Step 6: Final answer
    x = 178,354.93

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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.