Home / 148,881.07-205,432.74-88,450.16

Finding the Fourth Proportional to 148,881.07, 205,432.74 and 88,450.16

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Solution

The fourth proportional to 148,881.07, 205,432.74 and 88,450.16 is: 122,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,881.07 : 205,432.74 = 88,450.16 : x
  2. Step 2: Convert to fraction form
    148,881.07/205,432.74 = 88,450.16/x
  3. Step 3: Cross multiply
    148,881.07x = 205,432.74 × 88,450.16
  4. Step 4: Simplify right side
    148,881.07x = 18,170,559,235.82
  5. Step 5: Solve for x
    x = 18,170,559,235.82/148,881.07
  6. Step 6: Final answer
    x = 122,047.48

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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.