Home / 283,637.06-391,433.73-156,312.66

Finding the Fourth Proportional to 283,637.06, 391,433.73 and 156,312.66

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Solution

The fourth proportional to 283,637.06, 391,433.73 and 156,312.66 is: 215,719.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,637.06 : 391,433.73 = 156,312.66 : x
  2. Step 2: Convert to fraction form
    283,637.06/391,433.73 = 156,312.66/x
  3. Step 3: Cross multiply
    283,637.06x = 391,433.73 × 156,312.66
  4. Step 4: Simplify right side
    283,637.06x = 61,186,047,550.02
  5. Step 5: Solve for x
    x = 61,186,047,550.02/283,637.06
  6. Step 6: Final answer
    x = 215,719.51

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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.