Home / 160,762.32-221,806.76-126,665.10

Finding the Fourth Proportional to 160,762.32, 221,806.76 and 126,665.10

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Solution

The fourth proportional to 160,762.32, 221,806.76 and 126,665.10 is: 174,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,762.32 : 221,806.76 = 126,665.10 : x
  2. Step 2: Convert to fraction form
    160,762.32/221,806.76 = 126,665.10/x
  3. Step 3: Cross multiply
    160,762.32x = 221,806.76 × 126,665.10
  4. Step 4: Simplify right side
    160,762.32x = 28,095,174,802.75
  5. Step 5: Solve for x
    x = 28,095,174,802.75/160,762.32
  6. Step 6: Final answer
    x = 174,762.19

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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.