Home / 127,805.65-176,373.04-70,447.22

Finding the Fourth Proportional to 127,805.65, 176,373.04 and 70,447.22

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Solution

The fourth proportional to 127,805.65, 176,373.04 and 70,447.22 is: 97,217.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,805.65 : 176,373.04 = 70,447.22 : x
  2. Step 2: Convert to fraction form
    127,805.65/176,373.04 = 70,447.22/x
  3. Step 3: Cross multiply
    127,805.65x = 176,373.04 × 70,447.22
  4. Step 4: Simplify right side
    127,805.65x = 12,424,989,888.32
  5. Step 5: Solve for x
    x = 12,424,989,888.32/127,805.65
  6. Step 6: Final answer
    x = 97,217.85

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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.