Home / 358,430.07-537,517.03-118,499.68

Finding the Fourth Proportional to 358,430.07, 537,517.03 and 118,499.68

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Solution

The fourth proportional to 358,430.07, 537,517.03 and 118,499.68 is: 177,707.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,430.07 : 537,517.03 = 118,499.68 : x
  2. Step 2: Convert to fraction form
    358,430.07/537,517.03 = 118,499.68/x
  3. Step 3: Cross multiply
    358,430.07x = 537,517.03 × 118,499.68
  4. Step 4: Simplify right side
    358,430.07x = 63,695,596,049.55
  5. Step 5: Solve for x
    x = 63,695,596,049.55/358,430.07
  6. Step 6: Final answer
    x = 177,707.18

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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.