Home / 313,929.41-433,210.65-170,689.57

Finding the Fourth Proportional to 313,929.41, 433,210.65 and 170,689.57

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Solution

The fourth proportional to 313,929.41, 433,210.65 and 170,689.57 is: 235,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,929.41 : 433,210.65 = 170,689.57 : x
  2. Step 2: Convert to fraction form
    313,929.41/433,210.65 = 170,689.57/x
  3. Step 3: Cross multiply
    313,929.41x = 433,210.65 × 170,689.57
  4. Step 4: Simplify right side
    313,929.41x = 73,944,538,484.89
  5. Step 5: Solve for x
    x = 73,944,538,484.89/313,929.41
  6. Step 6: Final answer
    x = 235,545.11

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1.5x scale

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.