Home / 177,851.15-245,432.80-97,280.25

Finding the Fourth Proportional to 177,851.15, 245,432.80 and 97,280.25

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Solution

The fourth proportional to 177,851.15, 245,432.80 and 97,280.25 is: 134,245.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,851.15 : 245,432.80 = 97,280.25 : x
  2. Step 2: Convert to fraction form
    177,851.15/245,432.80 = 97,280.25/x
  3. Step 3: Cross multiply
    177,851.15x = 245,432.80 × 97,280.25
  4. Step 4: Simplify right side
    177,851.15x = 23,875,762,428.63
  5. Step 5: Solve for x
    x = 23,875,762,428.63/177,851.15
  6. Step 6: Final answer
    x = 134,245.76

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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.