Home / 153,356.04-211,640.99-92,931.98

Finding the Fourth Proportional to 153,356.04, 211,640.99 and 92,931.98

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Solution

The fourth proportional to 153,356.04, 211,640.99 and 92,931.98 is: 128,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,356.04 : 211,640.99 = 92,931.98 : x
  2. Step 2: Convert to fraction form
    153,356.04/211,640.99 = 92,931.98/x
  3. Step 3: Cross multiply
    153,356.04x = 211,640.99 × 92,931.98
  4. Step 4: Simplify right side
    153,356.04x = 19,668,214,727.00
  5. Step 5: Solve for x
    x = 19,668,214,727.00/153,356.04
  6. Step 6: Final answer
    x = 128,251.97

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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.