Home / 190,317.70-285,476.55-157,075.30

Finding the Fourth Proportional to 190,317.70, 285,476.55 and 157,075.30

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Solution

The fourth proportional to 190,317.70, 285,476.55 and 157,075.30 is: 235,612.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,317.70 : 285,476.55 = 157,075.30 : x
  2. Step 2: Convert to fraction form
    190,317.70/285,476.55 = 157,075.30/x
  3. Step 3: Cross multiply
    190,317.70x = 285,476.55 × 157,075.30
  4. Step 4: Simplify right side
    190,317.70x = 44,841,314,734.22
  5. Step 5: Solve for x
    x = 44,841,314,734.22/190,317.70
  6. Step 6: Final answer
    x = 235,612.95

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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.