Home / 283,341.42-391,008.06-160,857.18

Finding the Fourth Proportional to 283,341.42, 391,008.06 and 160,857.18

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Solution

The fourth proportional to 283,341.42, 391,008.06 and 160,857.18 is: 221,981.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,341.42 : 391,008.06 = 160,857.18 : x
  2. Step 2: Convert to fraction form
    283,341.42/391,008.06 = 160,857.18/x
  3. Step 3: Cross multiply
    283,341.42x = 391,008.06 × 160,857.18
  4. Step 4: Simplify right side
    283,341.42x = 62,896,453,888.87
  5. Step 5: Solve for x
    x = 62,896,453,888.87/283,341.42
  6. Step 6: Final answer
    x = 221,981.15

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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.