Home / 127,445.53-175,877.69-70,081.22

Finding the Fourth Proportional to 127,445.53, 175,877.69 and 70,081.22

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Solution

The fourth proportional to 127,445.53, 175,877.69 and 70,081.22 is: 96,713.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,445.53 : 175,877.69 = 70,081.22 : x
  2. Step 2: Convert to fraction form
    127,445.53/175,877.69 = 70,081.22/x
  3. Step 3: Cross multiply
    127,445.53x = 175,877.69 × 70,081.22
  4. Step 4: Simplify right side
    127,445.53x = 12,325,723,085.98
  5. Step 5: Solve for x
    x = 12,325,723,085.98/127,445.53
  6. Step 6: Final answer
    x = 96,713.66

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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.