Home / 114,959.60-158,688.38-86,362.21

Finding the Fourth Proportional to 114,959.60, 158,688.38 and 86,362.21

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Solution

The fourth proportional to 114,959.60, 158,688.38 and 86,362.21 is: 119,213.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,959.60 : 158,688.38 = 86,362.21 : x
  2. Step 2: Convert to fraction form
    114,959.60/158,688.38 = 86,362.21/x
  3. Step 3: Cross multiply
    114,959.60x = 158,688.38 × 86,362.21
  4. Step 4: Simplify right side
    114,959.60x = 13,704,678,969.10
  5. Step 5: Solve for x
    x = 13,704,678,969.10/114,959.60
  6. Step 6: Final answer
    x = 119,213.00

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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.