Home / 131,653.16-197,300.75-55,688.52

Finding the Fourth Proportional to 131,653.16, 197,300.75 and 55,688.52

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Solution

The fourth proportional to 131,653.16, 197,300.75 and 55,688.52 is: 83,457.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,653.16 : 197,300.75 = 55,688.52 : x
  2. Step 2: Convert to fraction form
    131,653.16/197,300.75 = 55,688.52/x
  3. Step 3: Cross multiply
    131,653.16x = 197,300.75 × 55,688.52
  4. Step 4: Simplify right side
    131,653.16x = 10,987,386,762.39
  5. Step 5: Solve for x
    x = 10,987,386,762.39/131,653.16
  6. Step 6: Final answer
    x = 83,457.07

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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.