Home / 319,235.13-440,547.57-176,000.40

Finding the Fourth Proportional to 319,235.13, 440,547.57 and 176,000.40

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Solution

The fourth proportional to 319,235.13, 440,547.57 and 176,000.40 is: 242,882.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,235.13 : 440,547.57 = 176,000.40 : x
  2. Step 2: Convert to fraction form
    319,235.13/440,547.57 = 176,000.40/x
  3. Step 3: Cross multiply
    319,235.13x = 440,547.57 × 176,000.40
  4. Step 4: Simplify right side
    319,235.13x = 77,536,548,539.03
  5. Step 5: Solve for x
    x = 77,536,548,539.03/319,235.13
  6. Step 6: Final answer
    x = 242,882.26

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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.