Home / 158,990.70-219,176.06-111,095.40

Finding the Fourth Proportional to 158,990.70, 219,176.06 and 111,095.40

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Solution

The fourth proportional to 158,990.70, 219,176.06 and 111,095.40 is: 153,150.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,990.70 : 219,176.06 = 111,095.40 : x
  2. Step 2: Convert to fraction form
    158,990.70/219,176.06 = 111,095.40/x
  3. Step 3: Cross multiply
    158,990.70x = 219,176.06 × 111,095.40
  4. Step 4: Simplify right side
    158,990.70x = 24,349,452,056.12
  5. Step 5: Solve for x
    x = 24,349,452,056.12/158,990.70
  6. Step 6: Final answer
    x = 153,150.17

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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.