Home / 186,002.37-256,703.32-105,421.24

Finding the Fourth Proportional to 186,002.37, 256,703.32 and 105,421.24

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Solution

The fourth proportional to 186,002.37, 256,703.32 and 105,421.24 is: 145,492.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,002.37 : 256,703.32 = 105,421.24 : x
  2. Step 2: Convert to fraction form
    186,002.37/256,703.32 = 105,421.24/x
  3. Step 3: Cross multiply
    186,002.37x = 256,703.32 × 105,421.24
  4. Step 4: Simplify right side
    186,002.37x = 27,061,982,306.52
  5. Step 5: Solve for x
    x = 27,061,982,306.52/186,002.37
  6. Step 6: Final answer
    x = 145,492.67

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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.