Home / 180,990.10-249,802.68-104,521.64

Finding the Fourth Proportional to 180,990.10, 249,802.68 and 104,521.64

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Solution

The fourth proportional to 180,990.10, 249,802.68 and 104,521.64 is: 144,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,990.10 : 249,802.68 = 104,521.64 : x
  2. Step 2: Convert to fraction form
    180,990.10/249,802.68 = 104,521.64/x
  3. Step 3: Cross multiply
    180,990.10x = 249,802.68 × 104,521.64
  4. Step 4: Simplify right side
    180,990.10x = 26,109,785,790.00
  5. Step 5: Solve for x
    x = 26,109,785,790.00/180,990.10
  6. Step 6: Final answer
    x = 144,260.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.