Home / 319,485.16-440,889.98-176,244.92

Finding the Fourth Proportional to 319,485.16, 440,889.98 and 176,244.92

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Solution

The fourth proportional to 319,485.16, 440,889.98 and 176,244.92 is: 243,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,485.16 : 440,889.98 = 176,244.92 : x
  2. Step 2: Convert to fraction form
    319,485.16/440,889.98 = 176,244.92/x
  3. Step 3: Cross multiply
    319,485.16x = 440,889.98 × 176,244.92
  4. Step 4: Simplify right side
    319,485.16x = 77,704,619,253.90
  5. Step 5: Solve for x
    x = 77,704,619,253.90/319,485.16
  6. Step 6: Final answer
    x = 243,218.24

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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.