Home / 143,459.06-197,892.60-86,083.13

Finding the Fourth Proportional to 143,459.06, 197,892.60 and 86,083.13

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Solution

The fourth proportional to 143,459.06, 197,892.60 and 86,083.13 is: 118,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,459.06 : 197,892.60 = 86,083.13 : x
  2. Step 2: Convert to fraction form
    143,459.06/197,892.60 = 86,083.13/x
  3. Step 3: Cross multiply
    143,459.06x = 197,892.60 × 86,083.13
  4. Step 4: Simplify right side
    143,459.06x = 17,035,214,411.84
  5. Step 5: Solve for x
    x = 17,035,214,411.84/143,459.06
  6. Step 6: Final answer
    x = 118,746.17

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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.