Home / 283,510.50-391,244.49-156,186.06

Finding the Fourth Proportional to 283,510.50, 391,244.49 and 156,186.06

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Solution

The fourth proportional to 283,510.50, 391,244.49 and 156,186.06 is: 215,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,510.50 : 391,244.49 = 156,186.06 : x
  2. Step 2: Convert to fraction form
    283,510.50/391,244.49 = 156,186.06/x
  3. Step 3: Cross multiply
    283,510.50x = 391,244.49 × 156,186.06
  4. Step 4: Simplify right side
    283,510.50x = 61,106,935,389.81
  5. Step 5: Solve for x
    x = 61,106,935,389.81/283,510.50
  6. Step 6: Final answer
    x = 215,536.76

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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.