Home / 148,653.74-205,152.28-84,123.02

Finding the Fourth Proportional to 148,653.74, 205,152.28 and 84,123.02

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Solution

The fourth proportional to 148,653.74, 205,152.28 and 84,123.02 is: 116,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,653.74 : 205,152.28 = 84,123.02 : x
  2. Step 2: Convert to fraction form
    148,653.74/205,152.28 = 84,123.02/x
  3. Step 3: Cross multiply
    148,653.74x = 205,152.28 × 84,123.02
  4. Step 4: Simplify right side
    148,653.74x = 17,258,029,656.06
  5. Step 5: Solve for x
    x = 17,258,029,656.06/148,653.74
  6. Step 6: Final answer
    x = 116,095.49

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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.