Home / 153,047.36-211,332.78-127,686.68

Finding the Fourth Proportional to 153,047.36, 211,332.78 and 127,686.68

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Solution

The fourth proportional to 153,047.36, 211,332.78 and 127,686.68 is: 176,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,047.36 : 211,332.78 = 127,686.68 : x
  2. Step 2: Convert to fraction form
    153,047.36/211,332.78 = 127,686.68/x
  3. Step 3: Cross multiply
    153,047.36x = 211,332.78 × 127,686.68
  4. Step 4: Simplify right side
    153,047.36x = 26,984,381,053.37
  5. Step 5: Solve for x
    x = 26,984,381,053.37/153,047.36
  6. Step 6: Final answer
    x = 176,313.93

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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.