Home / 186,588.65-257,492.73-122,102.12

Finding the Fourth Proportional to 186,588.65, 257,492.73 and 122,102.12

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Solution

The fourth proportional to 186,588.65, 257,492.73 and 122,102.12 is: 168,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,588.65 : 257,492.73 = 122,102.12 : x
  2. Step 2: Convert to fraction form
    186,588.65/257,492.73 = 122,102.12/x
  3. Step 3: Cross multiply
    186,588.65x = 257,492.73 × 122,102.12
  4. Step 4: Simplify right side
    186,588.65x = 31,440,408,217.59
  5. Step 5: Solve for x
    x = 31,440,408,217.59/186,588.65
  6. Step 6: Final answer
    x = 168,501.18

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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.