Home / 134,117.93-185,005.78-83,729.45

Finding the Fourth Proportional to 134,117.93, 185,005.78 and 83,729.45

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Solution

The fourth proportional to 134,117.93, 185,005.78 and 83,729.45 is: 115,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,117.93 : 185,005.78 = 83,729.45 : x
  2. Step 2: Convert to fraction form
    134,117.93/185,005.78 = 83,729.45/x
  3. Step 3: Cross multiply
    134,117.93x = 185,005.78 × 83,729.45
  4. Step 4: Simplify right side
    134,117.93x = 15,490,432,206.22
  5. Step 5: Solve for x
    x = 15,490,432,206.22/134,117.93
  6. Step 6: Final answer
    x = 115,498.59

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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.