Home / 109,529.90-151,155.86-61,783.23

Finding the Fourth Proportional to 109,529.90, 151,155.86 and 61,783.23

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Solution

The fourth proportional to 109,529.90, 151,155.86 and 61,783.23 is: 85,263.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,529.90 : 151,155.86 = 61,783.23 : x
  2. Step 2: Convert to fraction form
    109,529.90/151,155.86 = 61,783.23/x
  3. Step 3: Cross multiply
    109,529.90x = 151,155.86 × 61,783.23
  4. Step 4: Simplify right side
    109,529.90x = 9,338,897,522.15
  5. Step 5: Solve for x
    x = 9,338,897,522.15/109,529.90
  6. Step 6: Final answer
    x = 85,263.45

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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.