Home / 283,831.16-391,657.02-156,499.16

Finding the Fourth Proportional to 283,831.16, 391,657.02 and 156,499.16

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Solution

The fourth proportional to 283,831.16, 391,657.02 and 156,499.16 is: 215,952.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,831.16 : 391,657.02 = 156,499.16 : x
  2. Step 2: Convert to fraction form
    283,831.16/391,657.02 = 156,499.16/x
  3. Step 3: Cross multiply
    283,831.16x = 391,657.02 × 156,499.16
  4. Step 4: Simplify right side
    283,831.16x = 61,293,994,638.10
  5. Step 5: Solve for x
    x = 61,293,994,638.10/283,831.16
  6. Step 6: Final answer
    x = 215,952.31

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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.