Home / 256,075.36-353,384.07-141,354.07

Finding the Fourth Proportional to 256,075.36, 353,384.07 and 141,354.07

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Solution

The fourth proportional to 256,075.36, 353,384.07 and 141,354.07 is: 195,068.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,075.36 : 353,384.07 = 141,354.07 : x
  2. Step 2: Convert to fraction form
    256,075.36/353,384.07 = 141,354.07/x
  3. Step 3: Cross multiply
    256,075.36x = 353,384.07 × 141,354.07
  4. Step 4: Simplify right side
    256,075.36x = 49,952,275,860.89
  5. Step 5: Solve for x
    x = 49,952,275,860.89/256,075.36
  6. Step 6: Final answer
    x = 195,068.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.