Home / 195,368.12-292,854.66-76,993.40

Finding the Fourth Proportional to 195,368.12, 292,854.66 and 76,993.40

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Solution

The fourth proportional to 195,368.12, 292,854.66 and 76,993.40 is: 115,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,368.12 : 292,854.66 = 76,993.40 : x
  2. Step 2: Convert to fraction form
    195,368.12/292,854.66 = 76,993.40/x
  3. Step 3: Cross multiply
    195,368.12x = 292,854.66 × 76,993.40
  4. Step 4: Simplify right side
    195,368.12x = 22,547,875,979.24
  5. Step 5: Solve for x
    x = 22,547,875,979.24/195,368.12
  6. Step 6: Final answer
    x = 115,412.26

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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.