Home / 147,140.95-220,709.86-97,443.40

Finding the Fourth Proportional to 147,140.95, 220,709.86 and 97,443.40

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Solution

The fourth proportional to 147,140.95, 220,709.86 and 97,443.40 is: 146,164.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,140.95 : 220,709.86 = 97,443.40 : x
  2. Step 2: Convert to fraction form
    147,140.95/220,709.86 = 97,443.40/x
  3. Step 3: Cross multiply
    147,140.95x = 220,709.86 × 97,443.40
  4. Step 4: Simplify right side
    147,140.95x = 21,506,719,171.92
  5. Step 5: Solve for x
    x = 21,506,719,171.92/147,140.95
  6. Step 6: Final answer
    x = 146,164.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.