Home / 242,700.16-334,927.78-135,277.02

Finding the Fourth Proportional to 242,700.16, 334,927.78 and 135,277.02

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Solution

The fourth proportional to 242,700.16, 334,927.78 and 135,277.02 is: 186,683.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,700.16 : 334,927.78 = 135,277.02 : x
  2. Step 2: Convert to fraction form
    242,700.16/334,927.78 = 135,277.02/x
  3. Step 3: Cross multiply
    242,700.16x = 334,927.78 × 135,277.02
  4. Step 4: Simplify right side
    242,700.16x = 45,308,031,993.62
  5. Step 5: Solve for x
    x = 45,308,031,993.62/242,700.16
  6. Step 6: Final answer
    x = 186,683.16

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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.