Home / 127,213.46-175,547.70-70,621.18

Finding the Fourth Proportional to 127,213.46, 175,547.70 and 70,621.18

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Solution

The fourth proportional to 127,213.46, 175,547.70 and 70,621.18 is: 97,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,213.46 : 175,547.70 = 70,621.18 : x
  2. Step 2: Convert to fraction form
    127,213.46/175,547.70 = 70,621.18/x
  3. Step 3: Cross multiply
    127,213.46x = 175,547.70 × 70,621.18
  4. Step 4: Simplify right side
    127,213.46x = 12,397,385,720.29
  5. Step 5: Solve for x
    x = 12,397,385,720.29/127,213.46
  6. Step 6: Final answer
    x = 97,453.41

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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.