Home / 190,235.55-285,372.21-70,323.93

Finding the Fourth Proportional to 190,235.55, 285,372.21 and 70,323.93

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Solution

The fourth proportional to 190,235.55, 285,372.21 and 70,323.93 is: 105,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,235.55 : 285,372.21 = 70,323.93 : x
  2. Step 2: Convert to fraction form
    190,235.55/285,372.21 = 70,323.93/x
  3. Step 3: Cross multiply
    190,235.55x = 285,372.21 × 70,323.93
  4. Step 4: Simplify right side
    190,235.55x = 20,068,495,319.99
  5. Step 5: Solve for x
    x = 20,068,495,319.99/190,235.55
  6. Step 6: Final answer
    x = 105,492.88

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1.5x scale

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.