Home / 134,117.55-185,005.26-83,729.07

Finding the Fourth Proportional to 134,117.55, 185,005.26 and 83,729.07

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Solution

The fourth proportional to 134,117.55, 185,005.26 and 83,729.07 is: 115,498.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,117.55 : 185,005.26 = 83,729.07 : x
  2. Step 2: Convert to fraction form
    134,117.55/185,005.26 = 83,729.07/x
  3. Step 3: Cross multiply
    134,117.55x = 185,005.26 × 83,729.07
  4. Step 4: Simplify right side
    134,117.55x = 15,490,318,364.91
  5. Step 5: Solve for x
    x = 15,490,318,364.91/134,117.55
  6. Step 6: Final answer
    x = 115,498.07

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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.