Home / 134,886.35-186,143.16-74,457.01

Finding the Fourth Proportional to 134,886.35, 186,143.16 and 74,457.01

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Solution

The fourth proportional to 134,886.35, 186,143.16 and 74,457.01 is: 102,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,886.35 : 186,143.16 = 74,457.01 : x
  2. Step 2: Convert to fraction form
    134,886.35/186,143.16 = 74,457.01/x
  3. Step 3: Cross multiply
    134,886.35x = 186,143.16 × 74,457.01
  4. Step 4: Simplify right side
    134,886.35x = 13,859,663,125.55
  5. Step 5: Solve for x
    x = 13,859,663,125.55/134,886.35
  6. Step 6: Final answer
    x = 102,750.67

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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.