Home / 153,957.24-230,935.68-83,688.84

Finding the Fourth Proportional to 153,957.24, 230,935.68 and 83,688.84

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Solution

The fourth proportional to 153,957.24, 230,935.68 and 83,688.84 is: 125,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,957.24 : 230,935.68 = 83,688.84 : x
  2. Step 2: Convert to fraction form
    153,957.24/230,935.68 = 83,688.84/x
  3. Step 3: Cross multiply
    153,957.24x = 230,935.68 × 83,688.84
  4. Step 4: Simplify right side
    153,957.24x = 19,326,739,173.81
  5. Step 5: Solve for x
    x = 19,326,739,173.81/153,957.24
  6. Step 6: Final answer
    x = 125,533.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.