Home / 314,437.40-471,656.10-188,466.20

Finding the Fourth Proportional to 314,437.40, 471,656.10 and 188,466.20

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Solution

The fourth proportional to 314,437.40, 471,656.10 and 188,466.20 is: 282,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,437.40 : 471,656.10 = 188,466.20 : x
  2. Step 2: Convert to fraction form
    314,437.40/471,656.10 = 188,466.20/x
  3. Step 3: Cross multiply
    314,437.40x = 471,656.10 × 188,466.20
  4. Step 4: Simplify right side
    314,437.40x = 88,891,232,873.82
  5. Step 5: Solve for x
    x = 88,891,232,873.82/314,437.40
  6. Step 6: Final answer
    x = 282,699.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.