Home / 291,531.10-402,175.44-170,598.20

Finding the Fourth Proportional to 291,531.10, 402,175.44 and 170,598.20

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Solution

The fourth proportional to 291,531.10, 402,175.44 and 170,598.20 is: 235,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,531.10 : 402,175.44 = 170,598.20 : x
  2. Step 2: Convert to fraction form
    291,531.10/402,175.44 = 170,598.20/x
  3. Step 3: Cross multiply
    291,531.10x = 402,175.44 × 170,598.20
  4. Step 4: Simplify right side
    291,531.10x = 68,610,406,148.21
  5. Step 5: Solve for x
    x = 68,610,406,148.21/291,531.10
  6. Step 6: Final answer
    x = 235,345.07

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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.