Home / 177,685.28-245,211.36-97,111.04

Finding the Fourth Proportional to 177,685.28, 245,211.36 and 97,111.04

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Solution

The fourth proportional to 177,685.28, 245,211.36 and 97,111.04 is: 134,016.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,685.28 : 245,211.36 = 97,111.04 : x
  2. Step 2: Convert to fraction form
    177,685.28/245,211.36 = 97,111.04/x
  3. Step 3: Cross multiply
    177,685.28x = 245,211.36 × 97,111.04
  4. Step 4: Simplify right side
    177,685.28x = 23,812,730,189.41
  5. Step 5: Solve for x
    x = 23,812,730,189.41/177,685.28
  6. Step 6: Final answer
    x = 134,016.34

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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.