Home / 127,345.15-190,993.02-121,023.10

Finding the Fourth Proportional to 127,345.15, 190,993.02 and 121,023.10

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Solution

The fourth proportional to 127,345.15, 190,993.02 and 121,023.10 is: 181,511.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,345.15 : 190,993.02 = 121,023.10 : x
  2. Step 2: Convert to fraction form
    127,345.15/190,993.02 = 121,023.10/x
  3. Step 3: Cross multiply
    127,345.15x = 190,993.02 × 121,023.10
  4. Step 4: Simplify right side
    127,345.15x = 23,114,567,358.76
  5. Step 5: Solve for x
    x = 23,114,567,358.76/127,345.15
  6. Step 6: Final answer
    x = 181,511.17

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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.