Home / 358,443.13-537,666.22-145,215.19

Finding the Fourth Proportional to 358,443.13, 537,666.22 and 145,215.19

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Solution

The fourth proportional to 358,443.13, 537,666.22 and 145,215.19 is: 217,823.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,443.13 : 537,666.22 = 145,215.19 : x
  2. Step 2: Convert to fraction form
    358,443.13/537,666.22 = 145,215.19/x
  3. Step 3: Cross multiply
    358,443.13x = 537,666.22 × 145,215.19
  4. Step 4: Simplify right side
    358,443.13x = 78,077,302,293.88
  5. Step 5: Solve for x
    x = 78,077,302,293.88/358,443.13
  6. Step 6: Final answer
    x = 217,823.40

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1.5x scale

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.