Home / 145,885.17-201,379.52-125,386.10

Finding the Fourth Proportional to 145,885.17, 201,379.52 and 125,386.10

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Solution

The fourth proportional to 145,885.17, 201,379.52 and 125,386.10 is: 173,082.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,885.17 : 201,379.52 = 125,386.10 : x
  2. Step 2: Convert to fraction form
    145,885.17/201,379.52 = 125,386.10/x
  3. Step 3: Cross multiply
    145,885.17x = 201,379.52 × 125,386.10
  4. Step 4: Simplify right side
    145,885.17x = 25,250,190,998.84
  5. Step 5: Solve for x
    x = 25,250,190,998.84/145,885.17
  6. Step 6: Final answer
    x = 173,082.64

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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.