Home / 178,011.03-245,655.69-97,439.13

Finding the Fourth Proportional to 178,011.03, 245,655.69 and 97,439.13

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Solution

The fourth proportional to 178,011.03, 245,655.69 and 97,439.13 is: 134,466.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,011.03 : 245,655.69 = 97,439.13 : x
  2. Step 2: Convert to fraction form
    178,011.03/245,655.69 = 97,439.13/x
  3. Step 3: Cross multiply
    178,011.03x = 245,655.69 × 97,439.13
  4. Step 4: Simplify right side
    178,011.03x = 23,936,476,713.15
  5. Step 5: Solve for x
    x = 23,936,476,713.15/178,011.03
  6. Step 6: Final answer
    x = 134,466.26

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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.