Home / 319,526.13-440,947.48-176,290.39

Finding the Fourth Proportional to 319,526.13, 440,947.48 and 176,290.39

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Solution

The fourth proportional to 319,526.13, 440,947.48 and 176,290.39 is: 243,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,526.13 : 440,947.48 = 176,290.39 : x
  2. Step 2: Convert to fraction form
    319,526.13/440,947.48 = 176,290.39/x
  3. Step 3: Cross multiply
    319,526.13x = 440,947.48 × 176,290.39
  4. Step 4: Simplify right side
    319,526.13x = 77,734,800,573.25
  5. Step 5: Solve for x
    x = 77,734,800,573.25/319,526.13
  6. Step 6: Final answer
    x = 243,281.52

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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.