Home / 151,848.02-209,551.84-83,866.70

Finding the Fourth Proportional to 151,848.02, 209,551.84 and 83,866.70

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Solution

The fourth proportional to 151,848.02, 209,551.84 and 83,866.70 is: 115,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,848.02 : 209,551.84 = 83,866.70 : x
  2. Step 2: Convert to fraction form
    151,848.02/209,551.84 = 83,866.70/x
  3. Step 3: Cross multiply
    151,848.02x = 209,551.84 × 83,866.70
  4. Step 4: Simplify right side
    151,848.02x = 17,574,421,299.73
  5. Step 5: Solve for x
    x = 17,574,421,299.73/151,848.02
  6. Step 6: Final answer
    x = 115,736.91

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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.