Home / 285,215.74-393,602.36-156,152.04

Finding the Fourth Proportional to 285,215.74, 393,602.36 and 156,152.04

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Solution

The fourth proportional to 285,215.74, 393,602.36 and 156,152.04 is: 215,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,215.74 : 393,602.36 = 156,152.04 : x
  2. Step 2: Convert to fraction form
    285,215.74/393,602.36 = 156,152.04/x
  3. Step 3: Cross multiply
    285,215.74x = 393,602.36 × 156,152.04
  4. Step 4: Simplify right side
    285,215.74x = 61,461,811,462.81
  5. Step 5: Solve for x
    x = 61,461,811,462.81/285,215.74
  6. Step 6: Final answer
    x = 215,492.35

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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.