Home / 320,335.03-442,023.51-177,075.19

Finding the Fourth Proportional to 320,335.03, 442,023.51 and 177,075.19

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Solution

The fourth proportional to 320,335.03, 442,023.51 and 177,075.19 is: 244,342.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,335.03 : 442,023.51 = 177,075.19 : x
  2. Step 2: Convert to fraction form
    320,335.03/442,023.51 = 177,075.19/x
  3. Step 3: Cross multiply
    320,335.03x = 442,023.51 × 177,075.19
  4. Step 4: Simplify right side
    320,335.03x = 78,271,397,017.72
  5. Step 5: Solve for x
    x = 78,271,397,017.72/320,335.03
  6. Step 6: Final answer
    x = 244,342.30

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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.