Home / 193,718.40-290,402.64-69,030.24

Finding the Fourth Proportional to 193,718.40, 290,402.64 and 69,030.24

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Solution

The fourth proportional to 193,718.40, 290,402.64 and 69,030.24 is: 103,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,718.40 : 290,402.64 = 69,030.24 : x
  2. Step 2: Convert to fraction form
    193,718.40/290,402.64 = 69,030.24/x
  3. Step 3: Cross multiply
    193,718.40x = 290,402.64 × 69,030.24
  4. Step 4: Simplify right side
    193,718.40x = 20,046,563,935.83
  5. Step 5: Solve for x
    x = 20,046,563,935.83/193,718.40
  6. Step 6: Final answer
    x = 103,483.01

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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.