Home / 358,345.38-537,567.48-121,624.50

Finding the Fourth Proportional to 358,345.38, 537,567.48 and 121,624.50

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Solution

The fourth proportional to 358,345.38, 537,567.48 and 121,624.50 is: 182,453.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,345.38 : 537,567.48 = 121,624.50 : x
  2. Step 2: Convert to fraction form
    358,345.38/537,567.48 = 121,624.50/x
  3. Step 3: Cross multiply
    358,345.38x = 537,567.48 × 121,624.50
  4. Step 4: Simplify right side
    358,345.38x = 65,381,375,971.26
  5. Step 5: Solve for x
    x = 65,381,375,971.26/358,345.38
  6. Step 6: Final answer
    x = 182,453.52

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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.