Home / 190,472.47-285,756.27-134,422.05

Finding the Fourth Proportional to 190,472.47, 285,756.27 and 134,422.05

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Solution

The fourth proportional to 190,472.47, 285,756.27 and 134,422.05 is: 201,666.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,472.47 : 285,756.27 = 134,422.05 : x
  2. Step 2: Convert to fraction form
    190,472.47/285,756.27 = 134,422.05/x
  3. Step 3: Cross multiply
    190,472.47x = 285,756.27 × 134,422.05
  4. Step 4: Simplify right side
    190,472.47x = 38,411,942,038.08
  5. Step 5: Solve for x
    x = 38,411,942,038.08/190,472.47
  6. Step 6: Final answer
    x = 201,666.64

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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.