Home / 190,495.32-285,790.49-134,444.91

Finding the Fourth Proportional to 190,495.32, 285,790.49 and 134,444.91

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Solution

The fourth proportional to 190,495.32, 285,790.49 and 134,444.91 is: 201,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,495.32 : 285,790.49 = 134,444.91 : x
  2. Step 2: Convert to fraction form
    190,495.32/285,790.49 = 134,444.91/x
  3. Step 3: Cross multiply
    190,495.32x = 285,790.49 × 134,444.91
  4. Step 4: Simplify right side
    190,495.32x = 38,423,076,706.91
  5. Step 5: Solve for x
    x = 38,423,076,706.91/190,495.32
  6. Step 6: Final answer
    x = 201,700.90

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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.