Home / 112,471.61-155,327.02-97,291.40

Finding the Fourth Proportional to 112,471.61, 155,327.02 and 97,291.40

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Solution

The fourth proportional to 112,471.61, 155,327.02 and 97,291.40 is: 134,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,471.61 : 155,327.02 = 97,291.40 : x
  2. Step 2: Convert to fraction form
    112,471.61/155,327.02 = 97,291.40/x
  3. Step 3: Cross multiply
    112,471.61x = 155,327.02 × 97,291.40
  4. Step 4: Simplify right side
    112,471.61x = 15,111,982,213.76
  5. Step 5: Solve for x
    x = 15,111,982,213.76/112,471.61
  6. Step 6: Final answer
    x = 134,362.64

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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.