Home / 452,565.09-678,935.12-153,094.32

Finding the Fourth Proportional to 452,565.09, 678,935.12 and 153,094.32

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Solution

The fourth proportional to 452,565.09, 678,935.12 and 153,094.32 is: 229,671.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,565.09 : 678,935.12 = 153,094.32 : x
  2. Step 2: Convert to fraction form
    452,565.09/678,935.12 = 153,094.32/x
  3. Step 3: Cross multiply
    452,565.09x = 678,935.12 × 153,094.32
  4. Step 4: Simplify right side
    452,565.09x = 103,941,109,755.05
  5. Step 5: Solve for x
    x = 103,941,109,755.05/452,565.09
  6. Step 6: Final answer
    x = 229,671.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.