Home / 190,972.80-286,554.24-144,510.72

Finding the Fourth Proportional to 190,972.80, 286,554.24 and 144,510.72

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Solution

The fourth proportional to 190,972.80, 286,554.24 and 144,510.72 is: 216,838.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,972.80 : 286,554.24 = 144,510.72 : x
  2. Step 2: Convert to fraction form
    190,972.80/286,554.24 = 144,510.72/x
  3. Step 3: Cross multiply
    190,972.80x = 286,554.24 × 144,510.72
  4. Step 4: Simplify right side
    190,972.80x = 41,410,159,541.45
  5. Step 5: Solve for x
    x = 41,410,159,541.45/190,972.80
  6. Step 6: Final answer
    x = 216,838.00

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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.