Home / 136,547.24-204,779.28-47,784.20

Finding the Fourth Proportional to 136,547.24, 204,779.28 and 47,784.20

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Solution

The fourth proportional to 136,547.24, 204,779.28 and 47,784.20 is: 71,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,547.24 : 204,779.28 = 47,784.20 : x
  2. Step 2: Convert to fraction form
    136,547.24/204,779.28 = 47,784.20/x
  3. Step 3: Cross multiply
    136,547.24x = 204,779.28 × 47,784.20
  4. Step 4: Simplify right side
    136,547.24x = 9,785,214,071.38
  5. Step 5: Solve for x
    x = 9,785,214,071.38/136,547.24
  6. Step 6: Final answer
    x = 71,661.75

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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.