Home / 190,931.40-286,703.10-151,813.80

Finding the Fourth Proportional to 190,931.40, 286,703.10 and 151,813.80

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Solution

The fourth proportional to 190,931.40, 286,703.10 and 151,813.80 is: 227,964.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,931.40 : 286,703.10 = 151,813.80 : x
  2. Step 2: Convert to fraction form
    190,931.40/286,703.10 = 151,813.80/x
  3. Step 3: Cross multiply
    190,931.40x = 286,703.10 × 151,813.80
  4. Step 4: Simplify right side
    190,931.40x = 43,525,487,082.78
  5. Step 5: Solve for x
    x = 43,525,487,082.78/190,931.40
  6. Step 6: Final answer
    x = 227,964.01

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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.