Home / 170,678.06-235,437.78-99,048.94

Finding the Fourth Proportional to 170,678.06, 235,437.78 and 99,048.94

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Solution

The fourth proportional to 170,678.06, 235,437.78 and 99,048.94 is: 136,630.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,678.06 : 235,437.78 = 99,048.94 : x
  2. Step 2: Convert to fraction form
    170,678.06/235,437.78 = 99,048.94/x
  3. Step 3: Cross multiply
    170,678.06x = 235,437.78 × 99,048.94
  4. Step 4: Simplify right side
    170,678.06x = 23,319,862,544.95
  5. Step 5: Solve for x
    x = 23,319,862,544.95/170,678.06
  6. Step 6: Final answer
    x = 136,630.70

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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.