Home / 114,717.04-158,367.06-71,720.40

Finding the Fourth Proportional to 114,717.04, 158,367.06 and 71,720.40

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Solution

The fourth proportional to 114,717.04, 158,367.06 and 71,720.40 is: 99,010.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,717.04 : 158,367.06 = 71,720.40 : x
  2. Step 2: Convert to fraction form
    114,717.04/158,367.06 = 71,720.40/x
  3. Step 3: Cross multiply
    114,717.04x = 158,367.06 × 71,720.40
  4. Step 4: Simplify right side
    114,717.04x = 11,358,148,890.02
  5. Step 5: Solve for x
    x = 11,358,148,890.02/114,717.04
  6. Step 6: Final answer
    x = 99,010.13

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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.