Home / 238,075.77-328,548.58-130,655.80

Finding the Fourth Proportional to 238,075.77, 328,548.58 and 130,655.80

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Solution

The fourth proportional to 238,075.77, 328,548.58 and 130,655.80 is: 180,307.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,075.77 : 328,548.58 = 130,655.80 : x
  2. Step 2: Convert to fraction form
    238,075.77/328,548.58 = 130,655.80/x
  3. Step 3: Cross multiply
    238,075.77x = 328,548.58 × 130,655.80
  4. Step 4: Simplify right side
    238,075.77x = 42,926,777,558.76
  5. Step 5: Solve for x
    x = 42,926,777,558.76/238,075.77
  6. Step 6: Final answer
    x = 180,307.21

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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.