Home / 104,151.04-143,728.56-56,404.46

Finding the Fourth Proportional to 104,151.04, 143,728.56 and 56,404.46

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Solution

The fourth proportional to 104,151.04, 143,728.56 and 56,404.46 is: 77,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,151.04 : 143,728.56 = 56,404.46 : x
  2. Step 2: Convert to fraction form
    104,151.04/143,728.56 = 56,404.46/x
  3. Step 3: Cross multiply
    104,151.04x = 143,728.56 × 56,404.46
  4. Step 4: Simplify right side
    104,151.04x = 8,106,931,813.38
  5. Step 5: Solve for x
    x = 8,106,931,813.38/104,151.04
  6. Step 6: Final answer
    x = 77,838.22

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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.