Home / 257,182.28-354,916.80-153,923.22

Finding the Fourth Proportional to 257,182.28, 354,916.80 and 153,923.22

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Solution

The fourth proportional to 257,182.28, 354,916.80 and 153,923.22 is: 212,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,182.28 : 354,916.80 = 153,923.22 : x
  2. Step 2: Convert to fraction form
    257,182.28/354,916.80 = 153,923.22/x
  3. Step 3: Cross multiply
    257,182.28x = 354,916.80 × 153,923.22
  4. Step 4: Simplify right side
    257,182.28x = 54,629,938,401.86
  5. Step 5: Solve for x
    x = 54,629,938,401.86/257,182.28
  6. Step 6: Final answer
    x = 212,417.20

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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.