Home / 213,145.16-319,648.52-70,952.24

Finding the Fourth Proportional to 213,145.16, 319,648.52 and 70,952.24

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Solution

The fourth proportional to 213,145.16, 319,648.52 and 70,952.24 is: 106,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,145.16 : 319,648.52 = 70,952.24 : x
  2. Step 2: Convert to fraction form
    213,145.16/319,648.52 = 70,952.24/x
  3. Step 3: Cross multiply
    213,145.16x = 319,648.52 × 70,952.24
  4. Step 4: Simplify right side
    213,145.16x = 22,679,779,483.19
  5. Step 5: Solve for x
    x = 22,679,779,483.19/213,145.16
  6. Step 6: Final answer
    x = 106,405.32

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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.