Home / 146,939.50-202,798.67-89,612.08

Finding the Fourth Proportional to 146,939.50, 202,798.67 and 89,612.08

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Solution

The fourth proportional to 146,939.50, 202,798.67 and 89,612.08 is: 123,678.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,939.50 : 202,798.67 = 89,612.08 : x
  2. Step 2: Convert to fraction form
    146,939.50/202,798.67 = 89,612.08/x
  3. Step 3: Cross multiply
    146,939.50x = 202,798.67 × 89,612.08
  4. Step 4: Simplify right side
    146,939.50x = 18,173,210,639.93
  5. Step 5: Solve for x
    x = 18,173,210,639.93/146,939.50
  6. Step 6: Final answer
    x = 123,678.18

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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.