Home / 320,348.03-442,089.51-177,117.32

Finding the Fourth Proportional to 320,348.03, 442,089.51 and 177,117.32

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Solution

The fourth proportional to 320,348.03, 442,089.51 and 177,117.32 is: 244,427.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,348.03 : 442,089.51 = 177,117.32 : x
  2. Step 2: Convert to fraction form
    320,348.03/442,089.51 = 177,117.32/x
  3. Step 3: Cross multiply
    320,348.03x = 442,089.51 × 177,117.32
  4. Step 4: Simplify right side
    320,348.03x = 78,301,709,211.31
  5. Step 5: Solve for x
    x = 78,301,709,211.31/320,348.03
  6. Step 6: Final answer
    x = 244,427.00

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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.