Home / 133,220.19-183,925.87-85,557.56

Finding the Fourth Proportional to 133,220.19, 183,925.87 and 85,557.56

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Solution

The fourth proportional to 133,220.19, 183,925.87 and 85,557.56 is: 118,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,220.19 : 183,925.87 = 85,557.56 : x
  2. Step 2: Convert to fraction form
    133,220.19/183,925.87 = 85,557.56/x
  3. Step 3: Cross multiply
    133,220.19x = 183,925.87 × 85,557.56
  4. Step 4: Simplify right side
    133,220.19x = 15,736,248,658.08
  5. Step 5: Solve for x
    x = 15,736,248,658.08/133,220.19
  6. Step 6: Final answer
    x = 118,122.10

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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.