Home / 174,923.20-262,384.80-139,931.20

Finding the Fourth Proportional to 174,923.20, 262,384.80 and 139,931.20

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Solution

The fourth proportional to 174,923.20, 262,384.80 and 139,931.20 is: 209,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,923.20 : 262,384.80 = 139,931.20 : x
  2. Step 2: Convert to fraction form
    174,923.20/262,384.80 = 139,931.20/x
  3. Step 3: Cross multiply
    174,923.20x = 262,384.80 × 139,931.20
  4. Step 4: Simplify right side
    174,923.20x = 36,715,819,925.76
  5. Step 5: Solve for x
    x = 36,715,819,925.76/174,923.20
  6. Step 6: Final answer
    x = 209,896.80

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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.