Home / 190,841.08-286,317.02-76,930.10

Finding the Fourth Proportional to 190,841.08, 286,317.02 and 76,930.10

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Solution

The fourth proportional to 190,841.08, 286,317.02 and 76,930.10 is: 115,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,841.08 : 286,317.02 = 76,930.10 : x
  2. Step 2: Convert to fraction form
    190,841.08/286,317.02 = 76,930.10/x
  3. Step 3: Cross multiply
    190,841.08x = 286,317.02 × 76,930.10
  4. Step 4: Simplify right side
    190,841.08x = 22,026,396,980.30
  5. Step 5: Solve for x
    x = 22,026,396,980.30/190,841.08
  6. Step 6: Final answer
    x = 115,417.48

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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.