Home / 145,617.17-201,013.70-97,898.20

Finding the Fourth Proportional to 145,617.17, 201,013.70 and 97,898.20

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Solution

The fourth proportional to 145,617.17, 201,013.70 and 97,898.20 is: 135,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,617.17 : 201,013.70 = 97,898.20 : x
  2. Step 2: Convert to fraction form
    145,617.17/201,013.70 = 97,898.20/x
  3. Step 3: Cross multiply
    145,617.17x = 201,013.70 × 97,898.20
  4. Step 4: Simplify right side
    145,617.17x = 19,678,879,405.34
  5. Step 5: Solve for x
    x = 19,678,879,405.34/145,617.17
  6. Step 6: Final answer
    x = 135,141.20

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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.