Home / 157,364.07-235,766.23-90,666.40

Finding the Fourth Proportional to 157,364.07, 235,766.23 and 90,666.40

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Solution

The fourth proportional to 157,364.07, 235,766.23 and 90,666.40 is: 135,838.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,364.07 : 235,766.23 = 90,666.40 : x
  2. Step 2: Convert to fraction form
    157,364.07/235,766.23 = 90,666.40/x
  3. Step 3: Cross multiply
    157,364.07x = 235,766.23 × 90,666.40
  4. Step 4: Simplify right side
    157,364.07x = 21,376,075,315.67
  5. Step 5: Solve for x
    x = 21,376,075,315.67/157,364.07
  6. Step 6: Final answer
    x = 135,838.35

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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.