Home / 144,025.40-216,038.10-127,112.60

Finding the Fourth Proportional to 144,025.40, 216,038.10 and 127,112.60

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Solution

The fourth proportional to 144,025.40, 216,038.10 and 127,112.60 is: 190,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,025.40 : 216,038.10 = 127,112.60 : x
  2. Step 2: Convert to fraction form
    144,025.40/216,038.10 = 127,112.60/x
  3. Step 3: Cross multiply
    144,025.40x = 216,038.10 × 127,112.60
  4. Step 4: Simplify right side
    144,025.40x = 27,461,164,590.06
  5. Step 5: Solve for x
    x = 27,461,164,590.06/144,025.40
  6. Step 6: Final answer
    x = 190,668.90

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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.