Home / 319,317.10-440,660.67-176,082.22

Finding the Fourth Proportional to 319,317.10, 440,660.67 and 176,082.22

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Solution

The fourth proportional to 319,317.10, 440,660.67 and 176,082.22 is: 242,995.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,317.10 : 440,660.67 = 176,082.22 : x
  2. Step 2: Convert to fraction form
    319,317.10/440,660.67 = 176,082.22/x
  3. Step 3: Cross multiply
    319,317.10x = 440,660.67 × 176,082.22
  4. Step 4: Simplify right side
    319,317.10x = 77,592,509,040.29
  5. Step 5: Solve for x
    x = 77,592,509,040.29/319,317.10
  6. Step 6: Final answer
    x = 242,995.16

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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.