Home / 189,440.16-261,521.04-148,532.40

Finding the Fourth Proportional to 189,440.16, 261,521.04 and 148,532.40

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Solution

The fourth proportional to 189,440.16, 261,521.04 and 148,532.40 is: 205,048.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,440.16 : 261,521.04 = 148,532.40 : x
  2. Step 2: Convert to fraction form
    189,440.16/261,521.04 = 148,532.40/x
  3. Step 3: Cross multiply
    189,440.16x = 261,521.04 × 148,532.40
  4. Step 4: Simplify right side
    189,440.16x = 38,844,347,721.70
  5. Step 5: Solve for x
    x = 38,844,347,721.70/189,440.16
  6. Step 6: Final answer
    x = 205,048.12

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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.