Home / 160,762.57-221,807.10-126,665.35

Finding the Fourth Proportional to 160,762.57, 221,807.10 and 126,665.35

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Solution

The fourth proportional to 160,762.57, 221,807.10 and 126,665.35 is: 174,762.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,762.57 : 221,807.10 = 126,665.35 : x
  2. Step 2: Convert to fraction form
    160,762.57/221,807.10 = 126,665.35/x
  3. Step 3: Cross multiply
    160,762.57x = 221,807.10 × 126,665.35
  4. Step 4: Simplify right side
    160,762.57x = 28,095,273,953.99
  5. Step 5: Solve for x
    x = 28,095,273,953.99/160,762.57
  6. Step 6: Final answer
    x = 174,762.53

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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.