Home / 190,271.69-262,574.93-105,394.22

Finding the Fourth Proportional to 190,271.69, 262,574.93 and 105,394.22

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Solution

The fourth proportional to 190,271.69, 262,574.93 and 105,394.22 is: 145,444.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,271.69 : 262,574.93 = 105,394.22 : x
  2. Step 2: Convert to fraction form
    190,271.69/262,574.93 = 105,394.22/x
  3. Step 3: Cross multiply
    190,271.69x = 262,574.93 × 105,394.22
  4. Step 4: Simplify right side
    190,271.69x = 27,673,879,938.90
  5. Step 5: Solve for x
    x = 27,673,879,938.90/190,271.69
  6. Step 6: Final answer
    x = 145,444.02

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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.