Home / 314,040.48-433,378.08-170,805.12

Finding the Fourth Proportional to 314,040.48, 433,378.08 and 170,805.12

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Solution

The fourth proportional to 314,040.48, 433,378.08 and 170,805.12 is: 235,712.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,040.48 : 433,378.08 = 170,805.12 : x
  2. Step 2: Convert to fraction form
    314,040.48/433,378.08 = 170,805.12/x
  3. Step 3: Cross multiply
    314,040.48x = 433,378.08 × 170,805.12
  4. Step 4: Simplify right side
    314,040.48x = 74,023,194,959.77
  5. Step 5: Solve for x
    x = 74,023,194,959.77/314,040.48
  6. Step 6: Final answer
    x = 235,712.27

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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.