Home / 153,649.81-212,050.67-93,235.77

Finding the Fourth Proportional to 153,649.81, 212,050.67 and 93,235.77

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Solution

The fourth proportional to 153,649.81, 212,050.67 and 93,235.77 is: 128,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,649.81 : 212,050.67 = 93,235.77 : x
  2. Step 2: Convert to fraction form
    153,649.81/212,050.67 = 93,235.77/x
  3. Step 3: Cross multiply
    153,649.81x = 212,050.67 × 93,235.77
  4. Step 4: Simplify right side
    153,649.81x = 19,770,707,496.47
  5. Step 5: Solve for x
    x = 19,770,707,496.47/153,649.81
  6. Step 6: Final answer
    x = 128,673.82

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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.