Home / 127,075.05-190,551.02-38,312.01

Finding the Fourth Proportional to 127,075.05, 190,551.02 and 38,312.01

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Solution

The fourth proportional to 127,075.05, 190,551.02 and 38,312.01 is: 57,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,075.05 : 190,551.02 = 38,312.01 : x
  2. Step 2: Convert to fraction form
    127,075.05/190,551.02 = 38,312.01/x
  3. Step 3: Cross multiply
    127,075.05x = 190,551.02 × 38,312.01
  4. Step 4: Simplify right side
    127,075.05x = 7,300,392,392.19
  5. Step 5: Solve for x
    x = 7,300,392,392.19/127,075.05
  6. Step 6: Final answer
    x = 57,449.46

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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.