Home / 291,448.28-402,216.90-176,807.36

Finding the Fourth Proportional to 291,448.28, 402,216.90 and 176,807.36

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Solution

The fourth proportional to 291,448.28, 402,216.90 and 176,807.36 is: 244,005.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,448.28 : 402,216.90 = 176,807.36 : x
  2. Step 2: Convert to fraction form
    291,448.28/402,216.90 = 176,807.36/x
  3. Step 3: Cross multiply
    291,448.28x = 402,216.90 × 176,807.36
  4. Step 4: Simplify right side
    291,448.28x = 71,114,908,236.38
  5. Step 5: Solve for x
    x = 71,114,908,236.38/291,448.28
  6. Step 6: Final answer
    x = 244,005.24

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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.