Home / 313,681.61-432,883.25-170,441.66

Finding the Fourth Proportional to 313,681.61, 432,883.25 and 170,441.66

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Solution

The fourth proportional to 313,681.61, 432,883.25 and 170,441.66 is: 235,210.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,681.61 : 432,883.25 = 170,441.66 : x
  2. Step 2: Convert to fraction form
    313,681.61/432,883.25 = 170,441.66/x
  3. Step 3: Cross multiply
    313,681.61x = 432,883.25 × 170,441.66
  4. Step 4: Simplify right side
    313,681.61x = 73,781,336,699.57
  5. Step 5: Solve for x
    x = 73,781,336,699.57/313,681.61
  6. Step 6: Final answer
    x = 235,210.91

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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.