Home / 146,410.02-201,985.83-98,678.70

Finding the Fourth Proportional to 146,410.02, 201,985.83 and 98,678.70

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Solution

The fourth proportional to 146,410.02, 201,985.83 and 98,678.70 is: 136,136.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,410.02 : 201,985.83 = 98,678.70 : x
  2. Step 2: Convert to fraction form
    146,410.02/201,985.83 = 98,678.70/x
  3. Step 3: Cross multiply
    146,410.02x = 201,985.83 × 98,678.70
  4. Step 4: Simplify right side
    146,410.02x = 19,931,699,122.82
  5. Step 5: Solve for x
    x = 19,931,699,122.82/146,410.02
  6. Step 6: Final answer
    x = 136,136.17

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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.