Home / 145,955.10-201,424.01-92,220.51

Finding the Fourth Proportional to 145,955.10, 201,424.01 and 92,220.51

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Solution

The fourth proportional to 145,955.10, 201,424.01 and 92,220.51 is: 127,268.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,955.10 : 201,424.01 = 92,220.51 : x
  2. Step 2: Convert to fraction form
    145,955.10/201,424.01 = 92,220.51/x
  3. Step 3: Cross multiply
    145,955.10x = 201,424.01 × 92,220.51
  4. Step 4: Simplify right side
    145,955.10x = 18,575,424,928.45
  5. Step 5: Solve for x
    x = 18,575,424,928.45/145,955.10
  6. Step 6: Final answer
    x = 127,268.08

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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.